Hyalite Opal Specimen DX1364 pietersite 75g Optical Calcite Freeform

75g Optical Calcite Freeform

as shown in the last photo

The Aletai meteorite is an Iron

75" Blue Smoke Colombian Lemurian

Hyalite Opal Specimen DX1364 pietersite 75g Optical Calcite FreeformHyalite Opal Approx. Dimensions: 2. 5 x 2 x 1" Approx. Weight: 69 grams Locality: San Luis Potosi, Mexico Acrylic stand and putty not included This specimen is shown under a short wave UV light in the first photo, and a long wave UV light in the second to last photo. Hyalite Opal was first discovered by German geologist Abraham Gottlob Werner in the late 1700's. He gave it the name hyalite from the Greek "hialos", meaning glass. It has mostly the same